Textile materials containing dyed polyphenylene sulfide fibers and methods for producing the same

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United States of America Patent

PATENT NO 11987929
APP PUB NO 20220389652A1
SERIAL NO

17881221

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Abstract

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A textile material comprises a plurality of yarns, wherein the yarns contain an intimate blend of dyed polyphenylene sulfide fibers and cellulosic fibers. The dyed polyphenylene sulfide fibers comprise a disperse dye that is distributed substantially evenly across the cross-sectional area of the fibers. A method for dyeing textile materials containing polyphenylene sulfide fibers comprises the steps of (a) providing a textile material comprising yarns which contain an intimate blend of polyphenylene sulfide fibers and cellulosic fibers, (b) providing a dye liquor comprising a liquid medium and a disperse dye, (c) applying the dye liquor to the textile material, (d) heating the textile material under ambient atmosphere to a temperature sufficient to evaporate substantially all of the liquid medium from the textile material, and (e) heating the textile material under ambient atmosphere to a temperature of about 180° C. or more to fix the disperse dye to the polyphenylene sulfide fibers.

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Patent Owner(s)

Patent OwnerAddress
MILLIKEN & COMPANY920 MILLIKEN ROAD M-495 SPARTANBURG SC 29303

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baird,, Jr William E Inman, US 3 3
Li, Shulong Spartanburg, US 106 1093
Mayernik, Richard A Simpsonville, US 22 194

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